@jhs:
Thanks, I think that clarified it, it confirms what I thought, that with the licensing they have out there that an artist likely couldn’t prevent a politician from using a song, assuming he/she had gotten a license to do so. In some of the cases in the paper, the politician had not gotten the rights (I recall some candidated used “More than a Feeling” by Boston, and was using it without a license, claimed they had permission from a member of the band if I recall correctly, which explains why they had to stop using it).